Placement of chimney smoke,outside of GMAX

How can a person install a "chimney smoke fx "to their scenery,in FS9. I believe I used to have the instruction's some where on a CD,but I must have lost it. Any help would be greatly appreciated. Ken
I have, FSSC,RWY12,LAGO
FS9 SDK,s
I have, FSSC,RWY12,LAGO
FS9 SDK,s